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A Custom ViewPager for Android with an option to make it swipe to left only, swipe to right only or completely disbale the swipe
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import android.content.Context; | |
import android.support.v4.view.GestureDetectorCompat; | |
import android.support.v4.view.ViewPager; | |
import android.util.AttributeSet; | |
import android.view.GestureDetector; | |
import android.view.MotionEvent; | |
public class CustomSwipeableViewPager extends ViewPager { | |
private static final String TAG = "CustomSwipeableViewPager"; | |
private static final float MIN_SWIPE_DISTANCE = 30.0f; | |
public static enum SwipeType { | |
DISABLED, TO_LEFT, TO_RIGHT, ENABLED | |
} | |
private SwipeType mSwipeType; | |
private GestureDetectorCompat mGestureDetector; | |
public CustomViewPager(Context context) { | |
super(context); | |
myInitViewPager(); | |
} | |
public CustomViewPager(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
myInitViewPager(); | |
} | |
private void myInitViewPager() { | |
mSwipeType = SwipeType.ENABLED; | |
mGestureDetector = new GestureDetectorCompat(getContext(), simpleOnGestureListener); | |
mGestureDetector.setIsLongpressEnabled(true); | |
} | |
@Override | |
public boolean onTouchEvent(MotionEvent event) { | |
switch (mSwipeType) { | |
case DISABLED: | |
return false; | |
case ENABLED: | |
return super.onTouchEvent(event); | |
default: | |
return mGestureDetector.onTouchEvent(event) && super.onTouchEvent(event); | |
} | |
} | |
@Override | |
public boolean onInterceptTouchEvent(MotionEvent event) { | |
switch (mSwipeType) { | |
case DISABLED: | |
return false; | |
default: | |
return super.onInterceptTouchEvent(event); | |
} | |
} | |
public void setSwipeType(SwipeType swipeType) { | |
mSwipeType = swipeType; | |
} | |
private GestureDetector.SimpleOnGestureListener simpleOnGestureListener = new GestureDetector.SimpleOnGestureListener() { | |
@Override | |
public boolean onDown(MotionEvent e) { | |
return true; | |
} | |
@Override | |
public boolean onSingleTapConfirmed(MotionEvent e) { | |
return true; | |
} | |
@Override | |
public boolean onSingleTapUp(MotionEvent e) { | |
return true; | |
} | |
@Override | |
public boolean onDoubleTap(MotionEvent e) { | |
return true; | |
} | |
@Override | |
public boolean onDoubleTapEvent(MotionEvent e) { | |
return true; | |
} | |
@Override | |
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { | |
return true; | |
} | |
@Override | |
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { | |
final float diffX = e2.getX() - e1.getX(); | |
if (Math.abs(diffX) < MIN_SWIPE_DISTANCE) { | |
return true; | |
} | |
if (diffX > 0) { | |
// Swipe to Left | |
return SwipeType.TO_LEFT == mSwipeType; | |
} else { | |
// Swipe to Right | |
return SwipeType.TO_RIGHT == mSwipeType; | |
} | |
} | |
}; | |
} |
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